68900173776 has 80 divisors (see below), whose sum is σ = 226021744000. Its totient is φ = 19685763072.

The previous prime is 68900173759. The next prime is 68900173807. The reversal of 68900173776 is 67737100986.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11389201 + ... + 11395248.

It is an arithmetic number, because the mean of its divisors is an integer number (2825271800).

Almost surely, 2^68900173776 is an apocalyptic number.

It is an amenable number.

68900173776 is an abundant number, since it is smaller than the sum of its proper divisors (157121570224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68900173776 is a wasteful number, since it uses less digits than its factorization.

68900173776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22784473 (or 22784461 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 68900173776 in words is "sixty-eight billion, nine hundred million, one hundred seventy-three thousand, seven hundred seventy-six".